Now that we are representing the MDIO mux in LX2160AQDS board in producer/consumer terms, the consumer nodes' has been changed.
Therefore, modify the device tree fixups according to change in device tree.
Signed-off-by: Pankaj Bansal pankaj.bansal@nxp.com ---
Notes: reference https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git/commit/?i...
board/freescale/lx2160a/eth_lx2160aqds.c | 38 ++++++++++++++++++---- 1 file changed, 31 insertions(+), 7 deletions(-)
diff --git a/board/freescale/lx2160a/eth_lx2160aqds.c b/board/freescale/lx2160a/eth_lx2160aqds.c index 1e98d0c1f9..f6e22d7337 100644 --- a/board/freescale/lx2160a/eth_lx2160aqds.c +++ b/board/freescale/lx2160a/eth_lx2160aqds.c @@ -628,8 +628,9 @@ int fdt_fixup_dpmac_phy_handle(void *fdt, int dpmac_id, int node_phandle) int fdt_get_ioslot_offset(void *fdt, struct mii_dev *mii_dev, int fpga_offset) { char mdio_ioslot_str[] = "mdio@00"; - char mdio_mux_str[] = "mdio-mux-0"; struct lx2160a_qds_mdio *priv; + u64 reg; + u32 phandle; int offset, mux_val;
/*Test if the MDIO bus is real mdio bus or muxing front end ?*/ @@ -643,15 +644,32 @@ int fdt_get_ioslot_offset(void *fdt, struct mii_dev *mii_dev, int fpga_offset) debug("real_bus_num = %d, ioslot = %d\n", priv->realbusnum, priv->ioslot);
- sprintf(mdio_mux_str, "mdio-mux-%1d", priv->realbusnum); - offset = fdt_subnode_offset(fdt, fpga_offset, mdio_mux_str); + if (priv->realbusnum == EMI1) + reg = CONFIG_SYS_FSL_WRIOP1_MDIO1; + else + reg = CONFIG_SYS_FSL_WRIOP1_MDIO2; + + offset = fdt_node_offset_by_compat_reg(fdt, "fsl,fman-memac-mdio", reg); + if (offset < 0) { + printf("mdio@%llx node not found in device tree\n", reg); + return offset; + } + + phandle = fdt_get_phandle(fdt, offset); + phandle = cpu_to_fdt32(phandle); + offset = fdt_node_offset_by_prop_value(fdt, -1, "mdio-parent-bus", + &phandle, 4); if (offset < 0) { - printf("%s node not found under node %s in device tree\n", - mdio_mux_str, fdt_get_name(fdt, fpga_offset, NULL)); + printf("mdio-mux-%d node not found in device tree\n", + priv->realbusnum == EMI1 ? 1 : 2); return offset; }
mux_val = lx2160a_qds_get_mdio_mux_val(priv->realbusnum, priv->ioslot); + if (priv->realbusnum == EMI1) + mux_val >>= BRDCFG4_EMI1SEL_SHIFT; + else + mux_val >>= BRDCFG4_EMI2SEL_SHIFT; sprintf(mdio_ioslot_str, "mdio@%x", (u8)mux_val);
offset = fdt_subnode_offset(fdt, offset, mdio_ioslot_str); @@ -675,7 +693,9 @@ int fdt_create_phy_node(void *fdt, int offset, u8 phyaddr, int *subnodeoffset,
*subnodeoffset = fdt_add_subnode(fdt, offset, phy_node_name); if (*subnodeoffset <= 0) { - printf("Could not add subnode %s\n", phy_node_name); + printf("Could not add subnode %s inside node %s err = %s\n", + phy_node_name, fdt_get_name(fdt, offset, NULL), + fdt_strerror(*subnodeoffset)); return *subnodeoffset; }
@@ -779,7 +799,6 @@ int fdt_fixup_board_phy(void *fdt) } if (dpmac_id == NUM_WRIOP_PORTS) continue; - ret = fdt_create_phy_node(fdt, offset, i, &subnodeoffset, phy_dev, phandle); @@ -792,6 +811,11 @@ int fdt_fixup_board_phy(void *fdt) fdt_del_node(fdt, subnodeoffset); break; } + /* calculate offset again as new node addition may have + * changed offset; + */ + offset = fdt_get_ioslot_offset(fdt, mii_dev, + fpga_offset); phandle++; }